CN107878186A - Fueller - Google Patents

Abstract

As in the passage forming member for making the nozzle insertion side that fuel nozzle inserts be installed on pressure inlet, the insertion flow path portion of fuel nozzle is formed in the fuel flow path of nozzle insertion side, and there are divider wall parts, the annulus that the divider wall parts mutually distinguish landform and insert flow path portion in pairs and surrounded with inserting flow path portion.Also, passage forming member has in divider wall parts：Air connectivity hole, it makes path and atmosphere；Fluid communication hole, it connects path and the insert end flow path portion in the downstream compared to insertion flow path portion；And valve system, it is hindered the process of the air in path in fuel feeding.Hereby it is achieved that the situation that air imports via annulus to nozzle insertion path in fuel feeding is suppressed.

Description

Fueller

Technical field

The present invention relates to a kind of fueller.

The application based in the Japanese patent application of application number P2016-192632 filed in September in 2016 30 days and CLAIM OF PRIORITY, its entire disclosure by referring to and introduce the application.

Background technology

Fueller is used to guide to fuel tank from the fuel that fuel nozzle supplies, and has：Passage forming member, its shape Path is inserted into the nozzle for being inserted fuel nozzle；And cover, it is installed on the passage forming member.Also, Between passage forming member and cover, there are the annulus for the connection for being used to realize nozzle insertion path and air.As above Described construction is disclosed in such as Japanese Unexamined Patent Publication 2013-71503 publications.

In fueller as described above, make annulus in the upper end side and nozzle insertion path of passage forming member Connection, therefore when inserting associated fuel feeding with fuel nozzle, air is possible to enter to nozzle insertion via annulus Path.The air of nozzle insertion path is fed to as described above sometimes with the fuel draining carried out from fuel nozzle, warp Fuel tank side is directed into by the stream in the downstream compared with nozzle insertion path, participates in producing the gas in the fuel in case Bubble.Due to situation as described above, result in the need in fuel feeding air imported to nozzle insertion path via annulus Situation is suppressed.

The content of the invention

The present invention proposes to solve at least a portion in above-mentioned problem, can be implemented as following side Formula.

(1) according to the mode of the present invention, there is provided a kind of fueller.The fueller its will be supplied from fuel nozzle Fuel guided to fuel tank, the fueller has：Pressure inlet, it has the The fuel stream connected with the fuel tank Road；And passage forming member, it makes the nozzle insertion side of the fuel nozzle insertion be installed on the pressure inlet, is having stream Road forms wall portion and divider wall parts, and the stream forms wall portion in the fuel flow path of the nozzle insertion side, described in formation At least a portion of the insertion flow path portion of fuel nozzle, the divider wall parts form path with mutually distinguishing with the insertion flow path portion, The path surrounds around the axle of the fuel flow path at least a portion of the insertion flow path portion.Also, the path shape Have into part at the divider wall parts：Air connectivity hole, it makes the path and atmosphere；Fluid communication hole, it makes The path connects with the insert end flow path portion in the downstream compared to the insertion flow path portion；And valve system, it is being supplied Process when oily to the air in the path is interdicted, hindered.

In the fueller of which, in fuel feeding from air connectivity hole between fluid communication hole to big in path The process of gas is hindered, therefore connects path and the insert end flow path portion in the downstream relative to insertion flow path portion. Therefore, according to the fueller of which, except can suppress the air in fuel feeding via path leading to insertion flow path portion Enter, additionally it is possible to suppress the air in fuel feeding via importing of the path to insert end flow path portion.

(2) in the fueller of aforesaid way, can also be set to, in the state of the fuel feeding room of vehicle is fixed on, institute Fluid communication hole position is stated in the upper side in vertical compared with the air connectivity hole.Like this, even if assuming water Be mixed into air from air connectivity hole and enter to path, it is also possible that shipwreck be transported to be located in vertical with it is big The fluid communication hole side for the upper side that gas intercommunicating pore is compared.

(3) in the fueller of aforesaid way, can also be set to, the passage forming member is in the path, edge The path (62) has the multiple obstacle wall components closed to a part for the path section of the path.It is such Words, also can be in the air warp flowed into from flow of ambient air hole even if assuming that water, dust are mixed into air from air connectivity hole and entered During crossing path, multiple obstacle wall components of air and path are collided, make in an atmosphere that mixed moisture, dust stay in greatly The colliding part of gas and obstacle wall components.As a result, according to the fueller FS of which, can further improve for fuel feeding The water proofing property and dust tightness of the insertion flow path portion of nozzle.

(4) in the fueller of aforesaid way, can also be set to, the divider wall parts are relative across the path At path madial wall and path lateral wall, alternately there are multiple obstacle wall components along the path.Like this, air Flowed in annulus with being serrated, therefore can more reliably improve the insertion flow path portion for fuel nozzle Water proofing property and dust tightness.

In addition, the present invention can be realized in the form of various.For example, can be so that insert port that fuel nozzle is inserted The mode of opening and closing device and realize.

Brief description of the drawings

Fig. 1 is represented the summary of the fueller guided from the fuel that fuel nozzle supplies to the fuel tank of vehicle Explanation figure,

Fig. 2 is to be observed on the basis of being set to will take over the posture for the fuel feeding room that mouth is fixed on vehicle along long side direction section view And the explanation figure being indicated,

Fig. 3 is that the portion that wants of passage forming member decides what is right and what is wrong the oblique view of deciding what is right and what is wrong that is indicated along the 3-3 lines in Fig. 2,

Fig. 4 is to observe and enter along part of the 4-4 lines to passage forming member and around it in Fig. 3 along long side direction section view The oblique view of deciding what is right and what is wrong that row represents,

Fig. 5 is the explanation for being indicated the action of fuel nozzle when inserting completion and lower end switching mechanism in association Figure,

Fig. 6 is the passage forming portion to multiple obstacle wall components to be arranged to the variation of the path lateral wall of annulus The oblique view of deciding what is right and what is wrong that part and the part around it are observed and be indicated along long side direction section view,

Fig. 7 is the passage forming portion to multiple obstacle wall components to be arranged to the variation of the path madial wall of annulus The oblique view of deciding what is right and what is wrong that part and the part around it are observed and be indicated along long side direction section view,

Fig. 8 be by the passage forming member of the variation without obstacle wall components want portion considerably decide what is right and what is wrong with Fig. 3 into The oblique view of deciding what is right and what is wrong that row represents.

The explanation of label

10 ... pressure inlets

11 ... fuel flow paths

11d ... insert end flow path portions

11u ... inserts flow path portion

20 ... pressure inlet main bodys

25 ... pressure inlet connecting portions

25a ... annular convex

26 ... fuel vapor ports

26P ... gas flow paths

26a ... annular convex

30 ... paths form accessory

31 ... encapsulants

32 ... sealing lip walls

33 ... negative pressure eliminate valve system

34 ... valve bodies

35 ... springs

36 ... openings

37 ... midfeathers

38 ... upper end flange portions

40 ... lower end switching mechanisms

41 ... opening and closing members

42 ... encapsulants

60 ... passage forming members

60A ... passage forming members

60B ... passage forming members

60C ... passage forming members

61 ... streams form wall portion

62 ... annulus

63 ... divider wall parts

63a ... path madial walls

63b ... path lateral walls

63c ... ceiling walls

64 ... air connectivity holes

65 ... obstacle wall components

65u ... communication chambers

66 ... nozzle guides are raised

67 ... upper end flange portions

BV ... gas emitting valves

FC ... oil-feed ports

FE ... installing components

FN ... fuel nozzles

FP ... ascending pipes

FR ... fuel feeding room

FS ... fuellers

FT ... fuel tanks

NT ... fuel vapo(u)r pipes

TV ... check-valves

Embodiment

Fig. 1 is the fueller FS for representing to guide from the fuel that fuel nozzle FN is supplied to the fuel tank FT of vehicle Summary explanation figure.In Fig. 1 and its later each figure, the arrow G for representing vertical is recorded.The confession of present embodiment Oily device FS has：Pressure inlet 10, fuel vapor port 26, ascending pipe FP, check-valves TV, fuel vapo(u)r pipe NT, gas emitting valve BV and installing component FE.Pressure inlet 10 is fixed on the fuel feeding room FR of vehicle by installing component FE.Confession as insert port Hydraulic fluid port FC receives the fuel nozzle FN of insertion.The pressure inlet 10 is connected by ascending pipe FP and fuel vapo(u)r pipe NT with fuel tank FT Connect.Ascending pipe FP is the pipe for example with the resin-made of serpentine-like configuration at 2, can stretch, bend in certain scope.The note Enter pipe FP to be connected with fuel tank FT via check-valves TV.The fuel warp that the fuel nozzle FN inserted from oil-feed port FC sprays The fuel flow path described below and ascending pipe FP formed by pressure inlet 10, fuel tank FT is directed to from check-valves TV.This Outside, check-valves TV prevents fuel from fuel tank FT to ascending pipe FP adverse current.

Fuel vapo(u)r pipe NT one end is connected via gas emitting valve BV with fuel tank FT, the other end with from pressure inlet 10 The fuel vapor port 26 of protrusion connects.Gas emitting valve BV also serves as meeting fuel vapo(u)r pipe NT with what fuel tank FT was attached Head and work.Comprising gas in the case including fuel vapo(u)r fuel vapo(u)r pipe NT is flowed into from gas emitting valve BV.Fuel steams Gas is directed to fuel tank FT together with the fuel supplied in the fuel feeding carried out from fuel nozzle FN by ascending pipe FP.

Below, fueller FS main part is described in detail.Fig. 2 is to will take over mouth 10 and be fixed on the fuel feeding of vehicle The explanation figure observed and be indicated along long side direction section view on the basis of room RF posture.Fig. 3 is will along the 3-3 lines in Fig. 2 The portion that wants of passage forming member 60 decides what is right and what is wrong the oblique view of deciding what is right and what is wrong being indicated.Fig. 4 is to passage forming portion along the 4-4 lines in Fig. 3 The oblique view of deciding what is right and what is wrong that part 60 and the part around it are observed and be indicated along long side direction section view.As illustrated, pressure inlet 10 Fuel feeding room FR (reference picture 1) is obliquely fixed on relative to vertical.Pressure inlet 10 is via the injection being connected with its lower end Pipe FP (reference picture 1) and the mechanism for being conveyed the fuel sprayed from fuel nozzle FN (reference picture 1) to fuel tank FT.Adapter Mouth 10 has：Pressure inlet main body 20, path form accessory 30, lower end switching mechanism 40 and passage forming member 60.Connect Ozzle 10 is in the pressure inlet main body 20 of cylindrical shape from the oil-feed port FC of the side of passage forming member 60 to pressure inlet body ends Untill formed fuel flow path 11.Fuel flow path 11 forms accessory 30 by path and divided, and oil-feed port FC sides are upstream side Fuel nozzle FN insertion flow path portion 11u, downstream is insert end flow path portion 11d.

Pressure inlet main body 20 in the installation of the upstream side of fuel flow path 11 there is path formation accessory 30 and path to be formed Part 60, the end side of fuel flow path 11 is set to pressure inlet connecting portion 25.The pressure inlet connecting portion 25 has in its peripheral part Annular convex 25a.Ascending pipe FP by pressure inlet connecting portion 25 in the state of annular convex 25a anticreeps are inserted through, with connecing Ozzle connecting portion 25 connects.In addition, pressure inlet main body 20 is steamed from the base circumference protrusion of pressure inlet connecting portion 25 with fuel Gas port 26.The fuel vapor port 26 is the body branched out from pressure inlet main body 20, forms the gas branched out from fuel flow path 11 Body stream 26P.Fuel vapor port 26 also has annular convex 26a in its peripheral part.Fuel vapo(u)r pipe NT (reference picture 1) is being fired Material steam orifice 26 is inserted through in the state of annular convex 26a anticreeps, is connected with fuel vapor port 26.With fuel vapor port 26 The fuel vapo(u)r pipe NT of connection make in fuel feeding in the case of fuel tank FT (reference picture 1) include fuel vapo(u)r including gas to Pressure inlet 10 is flowed back, and brings smoothly fuel feeding., can in addition, as long as fuel vapor port 26 is in the periphery of pressure inlet 10 To be arranged at optional position.

Pressure inlet main body 20 includes pressure inlet connecting portion 25 and fuel vapor port 26, by the resin that fuel-resistant permeability is excellent Material, the polyamide such as nylon (PA), ethylene-vinyl alcohol copolymer (EVOH) etc. and formed, the transmission of fuel is pressed down System.In addition, will take over 2 Rotating fields that mouth main body 20 is set to ectonexine, outer layer can also be made by the excellent resin of mechanical strength Material, formed such as polyethylene (PE).Like this, outer layer can be utilized to ensure that the mechanicalness of pressure inlet main body 20 is strong Degree, impact resistance.As outer layer as described above, in the case of using polyethylene, can be used as polar functional group Resin material (modified poly ethylene) after maleic acid modified.Modified poly ethylene is engaged by chemical adhesive with PA, therefore It is Nian Jie with internal layer.

Path forms accessory 30 and inserts fuel flow path 11 from the upper end open side of pressure inlet main body 20, in upper end flange At portion 38 with the thermal welding of pressure inlet main body 20.The encapsulant 31 of flexible ring-type is arranged at path and forms accessory 30 Outer wall recess, dock the inwall of nozzle body 20 and path form the outer wall of accessory 30 between liquid-tight airtightly carry out Sealing.Path forms accessory 30, and there is the sealing lip wall 32 of ring-type and negative pressure to eliminate valve system 33, also, to being sprayed by fuel feeding The lower end switching mechanism 40 that mouth FN is opened and closed is supported.Sealing lip wall 32 is in insertion flow path portion 11u and insert end stream Portion 11d border nearby surrounds fuel flow path 11.Lower end is set to the ring-type for carrying out fuel flow path sealing by sealing lip wall 32 Lip.The path forms accessory 30 identically with pressure inlet main body 20, the shape by PA with fuel-resistant permeability etc. Into.

Negative pressure eliminates valve system 33 and is inserted in from the centre that path forms the perforated wall of accessory 30 and protruded to internal side diameter The bottom of wall 37, valve body 34 is kept by spring 35.The leading section of valve body 34 is inserted in the opening formed in midfeather 37 36, the opening is opened and closed.Opening 36 opens at insertion flow path portion 11u and insert end flow path portion 11d connecting portion And the flow path portion of both sides is connected.Thus, if insert end flow path portion 11d sides turn into negative pressure, valve body 34 is due to pressure differential And acted to making spring 35 shrink side, open opening 36, therefore negative pressure eliminates valve system 33 by negative pressure and eliminated.That is, It is the valve system for opening opening 36 in fuel tank FT case internal pressure subatmospheric that negative pressure, which eliminates valve system 33, is formed in confession One mode of the valve system hindered when oily the process of the air in the annulus 62 that are described below.Negative pressure eliminates The valve body 34 of valve system 33 is also what is formed by PA etc..

Lower end switching mechanism 40 is inserted in path and forms accessory 30, has in the installation settings of opening and closing member 41 flexible Ring-type encapsulant 42.The lower end switching mechanism 40 makes encapsulant 42 be abutted with the front end lip of sealing lip wall 32, right Insertion flow path portion 11u is opened and closed.Opening and closing member 41 can be to form the axle (not shown) that inserts in accessory 30 in path Centered on bearing portion and the direction of arrow is rotated along figure.Opening and closing member 41 is slotting in accessory 30 by being formed in path all the time The pretightning force of the spring (not shown) entered.Thus, lower end switching mechanism 40 makes in the non-fuel feeding for not inserting fuel nozzle FN The encapsulant 42 of opening and closing member 41 abuts with the front end lip of sealing lip wall 32 and will insert flow path portion 11u lockings.The opposing party Face, in the fuel feeding after fuel nozzle FN is inserted, opening and closing member 41 is pushed by the fuel nozzle FN inserted front end. As a result, lower end switching mechanism 40 makes opening and closing member 41 be rotated to the perisporium side of pressure inlet main body 20, make insertion flow path portion 11u is opened, and the flow path portion is connected with insert end flow path portion 11d.The opening and closing member 41 of lower end switching mechanism 40 be by POM or PA etc. and formed.

Passage forming member 60 is installed on pressure inlet in the nozzle insertion side for being inserted fuel nozzle FN (reference picture 1) 10.There is passage forming member 60 stream to form wall portion 61, divider wall parts 63 and nozzle guide projection 66.Stream forms wall Portion 61 is the part of the ring-type of the stream internal side diameter for the sealing lip wall 32 that accessory 30 is formed positioned at path.Stream forms wall 61 The insertion flow path portion that fuel nozzle FN is formed in the fuel flow path 11 of nozzle insertion side inserts flow path portion 11u.The stream shape Fuel nozzle FN is guided to lower end switching mechanism 40 into wall portion 61.Flap-type is installed in passage forming member 60 In the case of miscellaneous part, stream forms at least a portion that wall portion 61 forms insertion flow path portion 11u.

Divider wall parts 63 are formed as marking off annulus 62 with stream formation wall portion 61, and the annulus 62 flow to insertion Road portion 11u is surrounded around its axle.Divider wall parts 63 are by path madial wall 63a, path lateral wall 63b and ceiling wall 63c Form, the path madial wall 63a and path lateral wall 63b are relative across annulus 62.Path madial wall 63a is formed from stream The upper end of wall portion 61 is stretched out.As shown in Fig. 2 passage forming member 60 makes by partition wall in the state of pressure inlet 10 is installed on The annulus 62 and stream that portion 63 is surrounded using above-mentioned path madial wall 63a, path lateral wall 63b and ceiling wall 63c Form the communication chamber 65u connections of the lower end side of wall portion 61.Path positioned at the downstream of passage forming member 60 forms assisted parts Part 30 has midfeather 37 in the position relative with air connectivity hole 64 shown in Fig. 3.Therefore, the midfeather 37 is not being formed Remaining region, upper end flange portion 67 is set to the bottom wall of annulus 62.As described above, passage forming member 60 is as even The path of logical room 65u bottom wall, which is formed at the midfeather 37 of accessory 30, has opening 36.The opening 36, which is used as, leads to ring-type The fluid communication hole that is connected of fuel flow path 11 in road 62 and the downstream relative to insertion flow path portion 11u and work.

Passage forming member 60 has at the path lateral wall 63b in divider wall parts 63 makes annulus 62 connect with air Logical air connectivity hole 64.Opening 36 and air connectivity hole 64 as shown in Figures 2 and 4, in fueller FS, are specifically taken over Mouth 10 is fixed in the state of the fuel feeding room FR of vehicle, and opening 36 is arranged to be located in vertical and the phase of air connectivity hole 64 The upper side of ratio.Passage forming member 60 has multiple obstacle wall components 65 in path madial wall 63a and path lateral wall 63b. As shown in figure 3, obstacle wall components 65 to be in a manner of a part for the path section of annulus 62 to be closed, respectively from logical Road madial wall 63a and path lateral wall 63b alternately protrude, and are arranged along annulus 62.The passage forming member of said structure 60 identically with pressure inlet main body 20, is formed by PA with fuel-resistant permeability etc..

Fig. 5 is to be indicated fuel nozzle FN when inserting completion and lower end switching mechanism 40 action in association Illustrate figure, in the fuel fuel feeding that the fueller FS using present embodiment is carried out, fuel nozzle FN is by passage forming member 60 nozzle guide projection 66 guides and is inserted into insertion flow path portion 11u.Now, spray nozzle front end opening to lower end switching mechanism 40 Closing part part 41 is pushed.Because subsequent fuel nozzle FN still provides for inserting, therefore as shown in figure 4, fuel nozzle FN promotions are opened Closing part part 41 and make its rotation, to reaching insert end flow path portion 11d.After the insertion of fuel nozzle FN more than, from confession Oil burner nozzle FN sprays fuel.The fuel of ejection is drawn via the ascending pipe FP that the pressure inlet connecting portion 25 with pressure inlet 10 is connected It is directed at fuel tank FT (reference picture 1).

The fueller FS of present embodiment described above makes pressure inlet 10 relative under the installment state shown in Fig. 1 Fuel feeding room FR is obliquely fixed in vertical, makes the fuel feeding for being located at vehicle in the passage forming member 60 that pressure inlet 10 is installed Room FR.Fueller FS is allowed in the FR of fuel feeding room from the air connectivity hole 64 in the passage forming member 60 shown in Fig. 2 to Fig. 4 The inflow of the fuel feeding room air (air) of progress.The air flowed into from air connectivity hole 64 passes through annulus 62, is passing through Collided during annulus 62 with multiple obstacle wall components 65 in annulus 62.Thus, according to present embodiment Fueller FS, mixed moisture, dust are left on the near sites that air and obstacle wall components 65 collide in an atmosphere.Cause This, obtains the high water proofing property and dust tightness of the insertion flow path portion 11u for being inserted fuel nozzle FN.

The fueller FS of present embodiment is across annulus 62 relative path madial wall 63a and path lateral wall At 63b, alternately there are multiple obstacle wall components 65 along annulus 62, therefore the flowing of the air in annulus 62 is being advised Turn into zigzag in fixed distance.Thus, according to the fueller FS of present embodiment, can further improve makes fuel nozzle Water proofing property and dust tightness in the insertion flow path portion 11u that FN is inserted.

The fueller FS of present embodiment eliminates valve system 33 to make opening 36 in fuel tank FT case by negative pressure Opened when pressing subatmospheric.Thus, the fueller FS of present embodiment is pressed to and atmospheric pressure almost phase in case With pressure fuel feeding when, valve system 33 is eliminated by the locking of opening 36 by negative pressure, do not make annulus 62 with relative to insertion stream The insert end flow path portion 11d connections in portion 11u downstream.As a result, fueller FS, Neng Goutong according to present embodiment When suppress air in fuel feeding via importing of the annulus 62 to insertion flow path portion 11u, the air in fuel feeding via ring Importing of the shape path 62 to insert end flow path portion 11d.

The fueller FS of present embodiment makes pressure inlet 10 obliquely be fixed on fuel feeding room FR relative to vertical, Under the state, make opening 36 positioned at the upper side in vertical compared with air connectivity hole 64.Thus, though assume water from Air connectivity hole 64 is mixed into air and enters to annulus 62, it is also possible that shipwreck is located in vertical with being transported to On upper side compared with air connectivity hole 64 the side of opening 36.Moreover, the fueller FS of present embodiment as described above, Alternately there are multiple obstacle wall components 65 along annulus 62 in annulus 62, thus can further cause shipwreck with It is transported to 36 sides of opening.

, can in the range of its purport is not departed from the invention is not restricted to above-mentioned embodiment or embodiment, variation Realized with various structures.For example, the embodiment party corresponding with the technical characteristic in each mode described in the column of the content of the invention one Technical characteristic in formula, embodiment, variation, in order to solve above-mentioned problem part or all, it is or above-mentioned in order to realize Part or all of effect, suitably it can be replaced or combine.In addition, if not by the technical characteristic in this specification Illustrate, then can suitably be deleted as necessary technical characteristic.

In the above-described embodiment, multiple obstacle wall components 65 are alternately arranged on the inside of the path of annulus 62 Wall 63a and path lateral wall 63b, but multiple obstacle wall components 65 can also be arranged on the outside of path madial wall 63a and path One of wall 63b.Fig. 6 is the deformation to multiple obstacle wall components 65 to be arranged to the path lateral wall 63b of annulus 62 The oblique view of deciding what is right and what is wrong that the passage forming member 60A of example and the part around it are observed and be indicated along long side direction section view.Fig. 7 It is the passage forming member to multiple obstacle wall components 65 to be arranged to the path madial wall 63a of annulus 62 variation The oblique view of deciding what is right and what is wrong that 60B and the part around it are observed and be indicated along long side direction section view.In these variations and above-mentioned Embodiment in, the setting numbers of obstacle wall components 65 it is also contemplated that water proofing property, dust tightness and suitably set.In addition, Obstacle wall components 65 can also be set to the plate of the chevron of section triangle in addition to the tabular of the rectangular section shown in Fig. 3 Shape, or it is set to the T-shaped tabular of identical section.In addition, in the above-described embodiment, obstacle wall components 65 are arranged at A part of region of annulus 62, but obstacle wall components 65 can also be arranged to the whole region of annulus 62.

In the above-described embodiment, divider wall parts 63 are passed through so that by annulus 62 to insertion flow path portion 11u around it Surrounded axle, annulus 62 can also be made to be surrounded in insertion flow path portion 11u at least a portion region.For example, In figure 3, annulus 62 can also be set to the path of semicircle arcuation.Alternatively, it is also possible to which insertion flow path portion 11u is set to wrap Surround rectangular-shaped path.

In the above-described embodiment, other switching mechanisms are not inserted into passage forming member 60, but can also be installed Other are opened and closed valve systems to be covered to passage forming member 60, such as by pushing the clack valve to open by fuel nozzle FN Type, by fuel nozzle FN insertion and carry out slide opening and closing slip valve-type opening and closing valve system.

In above-mentioned embodiment and variation, annulus 62 are provided with multiple obstacle wall components 65, but if The air blocking in annulus 62 when eliminating the fuel feeding of valve system 33 using negative pressure is entered by the locking of opening 36 Capable, then it can also be set to the structure without obstacle wall components 65.Fig. 8 is by the variation without obstacle wall components 65 Passage forming member 60C's wants portion to be decided what is right and what is wrong the oblique view of deciding what is right and what is wrong that is indicated in the opening position suitable with Fig. 3.The passage forming portion Part 60C has two air connectivity holes 64, makes opening 36 positioned at upper compared with these air connectivity holes 64 in vertical Square side.Thus, according to the fueller FS with the pressure inlet 10 for being mounted with passage forming member 60C, can obtain with it is above-mentioned Effect identical effect.Passage forming member 60C shown in Fig. 8 is between two air connectivity holes 64 by path lateral wall 63b A part be set to vertical lower side protrude state.Therefore, according to the adapter for being mounted with passage forming member 60C The fueller FS of mouth 10, even if water is mixed into air from these air connectivity holes 64 and enters to annulus 62, it can also incite somebody to action The water of the entrance comes together in the path lateral wall 63b protruded to vertical lower side.Therefore, it is possible to cause shipwreck to be transported to out 36 sides of mouth.

In the above-described embodiment, negative pressure elimination valve system 33 is set in fuel feeding to the air in annulus 62 The mode of valve system that is hindered of process, but can also be set to the locking of air connectivity hole 64 in fuel feeding or By the mode of the part locking of annulus 62.

Claims (6)

1. a kind of fueller (FS), it will be guided from the fuel that fuel nozzle (FN) supplies to fuel tank (FT), the confession Oily device (FS) has：

Pressure inlet (10), it has the fuel flow path (11) connected with the fuel tank (FT)；And

Passage forming member (60), it is installed on the pressure inlet in the nozzle insertion side for inserting the fuel nozzle (FN) (10),

The passage forming member (60) has：

Stream forms wall portion (61), and it forms the fuel nozzle in the fuel flow path (11) of the nozzle insertion side (FN) at least a portion of insertion flow path portion (11u)；And

Divider wall parts (63), it is mutually distinguished ground with the insertion flow path portion (11u) and forms path (62), and the path (62) is around described The axle of fuel flow path (11) and to it is described insertion flow path portion (11u) at least a portion surround,

Have at the divider wall parts (63) place of the passage forming member (60)：Air connectivity hole (64), it makes the path And atmosphere (62)；Fluid communication hole (36), it makes the path (62) with being inserted compared to described under flow path portion (11u) Swim insert end flow path portion (11d) connection of side；And valve system (33), it is in fuel feeding to the air in the path (62) Through obstruction.

2. fueller (FS) according to claim 1, wherein,

In the state of the fueller (FS) is fixed on into the fuel feeding room (FR) of vehicle,

The fluid communication hole (36) is positioned at the upper side in vertical compared with the air connectivity hole (64).

3. fueller (FS) according to claim 2, wherein,

The passage forming member (60), in the path (62), have along the path (62) to the path (62) Multiple obstacle wall components (65) that a part for path section is closed.

4. fueller (FS) according to claim 3, wherein,

The divider wall parts (63), across the path (62) relative path madial wall (63a) and path lateral wall (63b) Place, alternately has multiple obstacle wall components along the path (62).

5. fueller (FS) according to claim 1, wherein,

The passage forming member (60), in the path (62), have along the path (62) to the path (62) Multiple obstacle wall components (65) that a part for path section is closed.

6. fueller (FS) according to claim 5, wherein,

The divider wall parts (63), across the path (62) relative path madial wall (63a) and path lateral wall (63b) Place, alternately has multiple obstacle wall components along the path (62).